// Returns if the word is in the trie.
bool Trie::search(string key) {
TrieNode* curr = root;
for(int i=0; i<key.length(); i++){
if(!curr->inChildren(key[i])) return false;
curr = curr->getChild(key[i]);
}
return curr->inChildren('#');
}
// Returns if there is any word in the trie
// that starts with the given prefix.
bool Trie::startsWith(string prefix) {
TrieNode* curr = root;
for(int i=0; i<prefix.length(); i++){
if(!curr->inChildren(prefix[i])) return false;
curr = curr->getChild(prefix[i]);
}
return true;
}
void Trie::insert(string s) {
TrieNode* curr = root;
for(int i=0; i<s.length(); i++){
if(curr->inChildren(s[i])) curr = curr->getChild(s[i]);
else curr=curr->addChild(s[i]);
}
curr->addChild('#');
}
